Find the installation folder of your game (e.g., FIFA 14/Game ).
If you have downloaded a .rar file for an older version of the game, the general procedure is:
If you are looking for a "commentary .rar" file, it usually falls into one of two categories:
Use a tool like WinRAR to unzip the .rar archive.
Move the extracted commentary files into the specified audio folder. Always backup your original files first.